Base | Representation |
---|---|
bin | 111111001011110… |
… | …0011000010110111 |
3 | 12110202100100021221 |
4 | 1332113203002313 |
5 | 13320221231241 |
6 | 550213051211 |
7 | 103352366413 |
oct | 17627430267 |
9 | 5422310257 |
10 | 2120102071 |
11 | 99881907a |
12 | 4b2026b07 |
13 | 27a308889 |
14 | 1617ddd43 |
15 | c61d85d1 |
hex | 7e5e30b7 |
2120102071 has 2 divisors, whose sum is σ = 2120102072. Its totient is φ = 2120102070.
The previous prime is 2120102063. The next prime is 2120102081. The reversal of 2120102071 is 1702010212.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2120102071 - 23 = 2120102063 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2120102041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060051035 + 1060051036.
It is an arithmetic number, because the mean of its divisors is an integer number (1060051036).
Almost surely, 22120102071 is an apocalyptic number.
2120102071 is a deficient number, since it is larger than the sum of its proper divisors (1).
2120102071 is an equidigital number, since it uses as much as digits as its factorization.
2120102071 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 56, while the sum is 16.
The square root of 2120102071 is about 46044.5661397738. The cubic root of 2120102071 is about 1284.6522743058.
Adding to 2120102071 its reverse (1702010212), we get a palindrome (3822112283).
The spelling of 2120102071 in words is "two billion, one hundred twenty million, one hundred two thousand, seventy-one".
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